./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:26:57,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:26:57,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:26:57,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:26:57,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:26:57,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:26:57,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:26:57,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:26:57,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:26:57,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:26:57,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:26:57,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:26:57,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:26:57,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:26:57,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:26:57,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:26:57,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:26:57,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:26:57,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:26:57,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:26:57,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:26:57,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:26:57,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:26:57,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:26:57,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:26:57,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:26:57,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:26:57,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:26:57,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:26:57,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:26:57,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:26:57,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:26:57,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:26:57,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:26:57,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:26:57,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:26:57,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:26:57,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:26:57,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:26:57,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:26:57,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:26:57,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:26:57,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:26:57,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:26:57,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:26:57,330 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:26:57,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:26:57,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:26:57,333 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:26:57,333 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:26:57,334 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:26:57,334 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:26:57,335 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:26:57,335 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:26:57,335 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:26:57,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:26:57,335 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:26:57,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:26:57,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:26:57,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:26:57,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:26:57,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:26:57,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:26:57,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:26:57,337 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:26:57,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:26:57,337 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:26:57,337 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:26:57,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:26:57,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:26:57,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:26:57,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:26:57,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:26:57,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:26:57,339 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:26:57,339 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f [2021-12-15 17:26:57,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:26:57,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:26:57,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:26:57,605 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:26:57,606 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:26:57,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2021-12-15 17:26:57,661 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da1cc1370/c46cc54099494ef192ec14eb4de4218f/FLAGcdf237797 [2021-12-15 17:26:58,108 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:26:58,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2021-12-15 17:26:58,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da1cc1370/c46cc54099494ef192ec14eb4de4218f/FLAGcdf237797 [2021-12-15 17:26:58,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da1cc1370/c46cc54099494ef192ec14eb4de4218f [2021-12-15 17:26:58,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:26:58,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:26:58,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:26:58,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:26:58,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:26:58,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:26:58" (1/1) ... [2021-12-15 17:26:58,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5e6528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:58, skipping insertion in model container [2021-12-15 17:26:58,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:26:58" (1/1) ... [2021-12-15 17:26:58,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:26:58,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:26:58,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:26:58,545 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:26:58,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:26:58,639 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:26:58,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:58 WrapperNode [2021-12-15 17:26:58,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:26:58,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:26:58,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:26:58,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:26:58,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:58" (1/1) ... [2021-12-15 17:26:58,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:58" (1/1) ... [2021-12-15 17:26:58,699 INFO L137 Inliner]: procedures = 164, calls = 73, calls flagged for inlining = 28, calls inlined = 5, statements flattened = 67 [2021-12-15 17:26:58,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:26:58,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:26:58,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:26:58,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:26:58,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:58" (1/1) ... [2021-12-15 17:26:58,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:58" (1/1) ... [2021-12-15 17:26:58,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:58" (1/1) ... [2021-12-15 17:26:58,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:58" (1/1) ... [2021-12-15 17:26:58,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:58" (1/1) ... [2021-12-15 17:26:58,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:58" (1/1) ... [2021-12-15 17:26:58,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:58" (1/1) ... [2021-12-15 17:26:58,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:26:58,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:26:58,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:26:58,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:26:58,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:58" (1/1) ... [2021-12-15 17:26:58,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:58,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:58,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:58,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-15 17:26:58,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 17:26:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:26:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 17:26:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 17:26:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:26:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 17:26:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:26:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:26:58,935 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:26:58,952 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:26:59,105 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:26:59,110 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:26:59,110 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 17:26:59,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:26:59 BoogieIcfgContainer [2021-12-15 17:26:59,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:26:59,112 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:26:59,113 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:26:59,116 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:26:59,117 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:26:59,117 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:26:58" (1/3) ... [2021-12-15 17:26:59,118 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@416fbd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:26:59, skipping insertion in model container [2021-12-15 17:26:59,118 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:26:59,118 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:58" (2/3) ... [2021-12-15 17:26:59,119 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@416fbd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:26:59, skipping insertion in model container [2021-12-15 17:26:59,119 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:26:59,119 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:26:59" (3/3) ... [2021-12-15 17:26:59,120 INFO L388 chiAutomizerObserver]: Analyzing ICFG memleaks_test18_2.i [2021-12-15 17:26:59,170 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:26:59,171 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:26:59,171 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:26:59,171 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:26:59,171 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:26:59,171 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:26:59,171 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:26:59,171 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:26:59,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:59,211 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-15 17:26:59,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:59,212 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:59,217 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:26:59,217 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-15 17:26:59,218 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:26:59,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:59,220 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-15 17:26:59,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:59,221 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:59,221 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:26:59,221 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-15 17:26:59,225 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 14#L526true assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 7#L529true entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 8#L766true assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 12#L767-3true [2021-12-15 17:26:59,226 INFO L793 eck$LassoCheckResult]: Loop: 12#L767-3true assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 18#L526-1true assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 19#L529-1true entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 16#L769true assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 13#L767-2true entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 12#L767-3true [2021-12-15 17:26:59,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:59,231 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-12-15 17:26:59,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:59,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398722412] [2021-12-15 17:26:59,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:59,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:59,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:26:59,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:26:59,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398722412] [2021-12-15 17:26:59,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398722412] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:26:59,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:26:59,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:26:59,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643339437] [2021-12-15 17:26:59,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:26:59,435 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:26:59,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:59,436 INFO L85 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 1 times [2021-12-15 17:26:59,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:59,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863506833] [2021-12-15 17:26:59,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:59,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:59,452 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:59,484 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:59,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:26:59,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 17:26:59,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 17:26:59,846 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:59,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:26:59,897 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2021-12-15 17:26:59,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 17:26:59,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 45 transitions. [2021-12-15 17:26:59,903 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-12-15 17:26:59,906 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 20 states and 23 transitions. [2021-12-15 17:26:59,907 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-12-15 17:26:59,907 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-12-15 17:26:59,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2021-12-15 17:26:59,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:26:59,908 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-12-15 17:26:59,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2021-12-15 17:26:59,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2021-12-15 17:26:59,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:59,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2021-12-15 17:26:59,929 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-12-15 17:26:59,929 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-12-15 17:26:59,929 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:26:59,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2021-12-15 17:26:59,930 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-15 17:26:59,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:59,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:59,930 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:26:59,930 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-15 17:26:59,931 INFO L791 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 71#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 78#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 77#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 74#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 75#L767-3 [2021-12-15 17:26:59,931 INFO L793 eck$LassoCheckResult]: Loop: 75#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 79#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 82#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 81#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 80#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 75#L767-3 [2021-12-15 17:26:59,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:59,932 INFO L85 PathProgramCache]: Analyzing trace with hash 28693831, now seen corresponding path program 1 times [2021-12-15 17:26:59,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:59,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372669565] [2021-12-15 17:26:59,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:59,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:59,945 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:59,954 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:59,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:59,955 INFO L85 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 2 times [2021-12-15 17:26:59,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:59,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228443782] [2021-12-15 17:26:59,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:59,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:59,966 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:59,977 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:59,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:59,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1173278059, now seen corresponding path program 1 times [2021-12-15 17:26:59,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:59,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398794998] [2021-12-15 17:26:59,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:59,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:59,998 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:27:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:27:00,015 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:27:00,561 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:27:00,561 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:27:00,561 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:27:00,561 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:27:00,562 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:27:00,562 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:00,562 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:27:00,562 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:27:00,562 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_2.i_Iteration2_Lasso [2021-12-15 17:27:00,562 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:27:00,562 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:27:00,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:00,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:01,319 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:27:01,323 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:27:01,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:01,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:01,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:01,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:01,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:01,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:27:01,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:01,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:01,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:01,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:27:01,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:27:01,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-15 17:27:01,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:01,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-15 17:27:01,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:01,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:01,373 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:01,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-15 17:27:01,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:01,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:01,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:27:01,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:01,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:01,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:01,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:27:01,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:27:01,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:01,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:01,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:01,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:01,409 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:01,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-15 17:27:01,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:01,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:01,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:01,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:01,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:01,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:01,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:01,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:01,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:01,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:01,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:01,463 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:01,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-15 17:27:01,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:01,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:01,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:01,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:01,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:01,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:01,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:01,527 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:27:01,574 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-12-15 17:27:01,574 INFO L444 ModelExtractionUtils]: 18 out of 34 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-12-15 17:27:01,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:01,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:01,577 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:01,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-15 17:27:01,601 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:27:01,622 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-15 17:27:01,623 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:27:01,623 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~i~0#1) = -2*ULTIMATE.start_entry_point_~i~0#1 + 19 Supporting invariants [-1*ULTIMATE.start_entry_point_~len~0#1 + 10 >= 0] [2021-12-15 17:27:01,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:01,664 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2021-12-15 17:27:01,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:27:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:27:01,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 17:27:01,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:27:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:27:01,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-15 17:27:01,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:27:01,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:27:01,838 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-15 17:27:01,838 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:27:01,884 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 26 transitions. Complement of second has 5 states. [2021-12-15 17:27:01,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-15 17:27:01,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:27:01,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-12-15 17:27:01,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 5 letters. Loop has 5 letters. [2021-12-15 17:27:01,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:27:01,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 10 letters. Loop has 5 letters. [2021-12-15 17:27:01,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:27:01,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 5 letters. Loop has 10 letters. [2021-12-15 17:27:01,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:27:01,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2021-12-15 17:27:01,890 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:27:01,891 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 21 transitions. [2021-12-15 17:27:01,891 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-15 17:27:01,891 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-12-15 17:27:01,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2021-12-15 17:27:01,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:27:01,892 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-12-15 17:27:01,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2021-12-15 17:27:01,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-12-15 17:27:01,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:27:01,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-12-15 17:27:01,894 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-12-15 17:27:01,894 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-12-15 17:27:01,894 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-15 17:27:01,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2021-12-15 17:27:01,895 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:27:01,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:27:01,895 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:27:01,895 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:27:01,895 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:27:01,896 INFO L791 eck$LassoCheckResult]: Stem: 189#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 190#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 197#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 193#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 194#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 195#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 199#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 204#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 202#L769 assume entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0; 191#L769-1 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 192#L774-3 [2021-12-15 17:27:01,896 INFO L793 eck$LassoCheckResult]: Loop: 192#L774-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 196#L774-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 192#L774-3 [2021-12-15 17:27:01,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:27:01,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1173218534, now seen corresponding path program 1 times [2021-12-15 17:27:01,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:27:01,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128894448] [2021-12-15 17:27:01,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:27:01,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:27:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:27:01,907 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:27:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:27:01,918 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:27:01,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:27:01,918 INFO L85 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 1 times [2021-12-15 17:27:01,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:27:01,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768181019] [2021-12-15 17:27:01,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:27:01,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:27:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:27:01,924 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:27:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:27:01,928 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:27:01,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:27:01,928 INFO L85 PathProgramCache]: Analyzing trace with hash 2113389244, now seen corresponding path program 1 times [2021-12-15 17:27:01,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:27:01,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640712796] [2021-12-15 17:27:01,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:27:01,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:27:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:27:01,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:27:01,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:27:01,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640712796] [2021-12-15 17:27:01,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640712796] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:27:01,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:27:01,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 17:27:01,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845870446] [2021-12-15 17:27:01,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:27:01,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:27:01,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 17:27:01,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 17:27:01,995 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:27:02,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:27:02,016 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2021-12-15 17:27:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 17:27:02,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2021-12-15 17:27:02,018 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:27:02,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 25 transitions. [2021-12-15 17:27:02,018 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-12-15 17:27:02,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-12-15 17:27:02,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2021-12-15 17:27:02,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:27:02,019 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-12-15 17:27:02,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2021-12-15 17:27:02,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2021-12-15 17:27:02,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:27:02,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-12-15 17:27:02,021 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-15 17:27:02,021 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-15 17:27:02,021 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-15 17:27:02,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-12-15 17:27:02,022 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:27:02,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:27:02,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:27:02,022 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:27:02,023 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:27:02,023 INFO L791 eck$LassoCheckResult]: Stem: 243#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 244#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 251#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 248#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 249#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 250#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 254#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 259#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 257#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 252#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 253#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 255#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 258#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 256#L769 assume entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0; 245#L769-1 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 246#L774-3 [2021-12-15 17:27:02,023 INFO L793 eck$LassoCheckResult]: Loop: 246#L774-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 247#L774-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 246#L774-3 [2021-12-15 17:27:02,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:27:02,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1659616398, now seen corresponding path program 1 times [2021-12-15 17:27:02,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:27:02,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931726036] [2021-12-15 17:27:02,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:27:02,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:27:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:27:02,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:27:02,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:27:02,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931726036] [2021-12-15 17:27:02,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931726036] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:27:02,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:27:02,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 17:27:02,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536857607] [2021-12-15 17:27:02,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:27:02,096 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:27:02,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:27:02,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 2 times [2021-12-15 17:27:02,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:27:02,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273537655] [2021-12-15 17:27:02,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:27:02,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:27:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:27:02,102 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:27:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:27:02,105 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:27:02,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:27:02,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 17:27:02,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 17:27:02,138 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:27:02,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:27:02,158 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2021-12-15 17:27:02,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 17:27:02,159 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 26 transitions. [2021-12-15 17:27:02,159 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-15 17:27:02,160 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 24 transitions. [2021-12-15 17:27:02,160 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-12-15 17:27:02,160 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-12-15 17:27:02,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2021-12-15 17:27:02,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:27:02,161 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-12-15 17:27:02,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2021-12-15 17:27:02,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2021-12-15 17:27:02,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:27:02,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-12-15 17:27:02,163 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-12-15 17:27:02,163 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-12-15 17:27:02,163 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-15 17:27:02,163 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2021-12-15 17:27:02,163 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:27:02,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:27:02,164 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:27:02,164 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:27:02,164 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:27:02,164 INFO L791 eck$LassoCheckResult]: Stem: 293#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 294#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 301#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 298#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 299#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 300#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 302#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 309#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 307#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 305#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 303#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 304#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 308#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 306#L769 assume entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0; 295#L769-1 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 296#L774-3 [2021-12-15 17:27:02,165 INFO L793 eck$LassoCheckResult]: Loop: 296#L774-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 297#L774-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 296#L774-3 [2021-12-15 17:27:02,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:27:02,165 INFO L85 PathProgramCache]: Analyzing trace with hash 979558028, now seen corresponding path program 1 times [2021-12-15 17:27:02,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:27:02,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251345550] [2021-12-15 17:27:02,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:27:02,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:27:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:27:02,177 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:27:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:27:02,189 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:27:02,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:27:02,190 INFO L85 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 3 times [2021-12-15 17:27:02,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:27:02,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737223507] [2021-12-15 17:27:02,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:27:02,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:27:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:27:02,194 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:27:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:27:02,197 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:27:02,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:27:02,197 INFO L85 PathProgramCache]: Analyzing trace with hash 757428654, now seen corresponding path program 1 times [2021-12-15 17:27:02,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:27:02,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231690300] [2021-12-15 17:27:02,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:27:02,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:27:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:27:02,230 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:27:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:27:02,246 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:27:02,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-15 17:27:02,959 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:27:02,959 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:27:02,959 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:27:02,959 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:27:02,959 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:27:02,960 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:02,960 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:27:02,960 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:27:02,960 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_2.i_Iteration5_Lasso [2021-12-15 17:27:02,960 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:27:02,960 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:27:02,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:02,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:02,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:02,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:02,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:02,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:02,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:02,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:02,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:02,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:02,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:02,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:02,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:02,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:03,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:03,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:03,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:03,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:03,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:03,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:03,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:03,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:27:03,565 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:27:03,565 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:27:03,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:03,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:03,568 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:03,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:03,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:03,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:27:03,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:03,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:03,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:03,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:27:03,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:27:03,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-15 17:27:03,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:03,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:03,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:03,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:03,623 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:03,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-15 17:27:03,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:03,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:03,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:03,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:03,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:03,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:03,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:03,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:03,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:03,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:03,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:03,677 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:03,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-15 17:27:03,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:03,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:03,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:03,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:03,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:03,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:03,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:03,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:03,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:03,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:03,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:03,757 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:03,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:03,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:03,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:27:03,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:03,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:03,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:03,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:27:03,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:27:03,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-15 17:27:03,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:03,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:03,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:03,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:03,806 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:03,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-15 17:27:03,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:03,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:03,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:03,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:03,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:03,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:03,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:03,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:03,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:03,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:03,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:03,858 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:03,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-15 17:27:03,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:03,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:03,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:27:03,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:03,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:03,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:03,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:27:03,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:27:03,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:03,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:03,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:03,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:03,904 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:03,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-15 17:27:03,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:03,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:03,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:27:03,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:03,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:03,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:03,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:27:03,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:27:03,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:03,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:03,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:03,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:03,933 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:03,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-15 17:27:03,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:03,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:03,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:03,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:03,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:03,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:03,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:03,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:03,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:03,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:03,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:03,962 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:03,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-15 17:27:03,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:03,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:03,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:27:03,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:03,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:03,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:03,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:27:03,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:27:03,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:03,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:03,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:03,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:03,989 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:03,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:03,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-15 17:27:04,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:04,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:04,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:04,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:04,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:04,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,028 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-15 17:27:04,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:04,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:04,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:04,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:04,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:04,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:04,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,077 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-15 17:27:04,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:04,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:04,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:04,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:04,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:04,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:04,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,133 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:04,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:27:04,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:04,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:27:04,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:27:04,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-15 17:27:04,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:04,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:04,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,189 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-15 17:27:04,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:04,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:27:04,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:04,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:27:04,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:27:04,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:04,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:04,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,223 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-15 17:27:04,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:04,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:04,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:04,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:04,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:04,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:04,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,251 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:04,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-15 17:27:04,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:04,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:04,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:04,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:04,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:04,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,283 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-15 17:27:04,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:04,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:04,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:04,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:04,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:04,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-15 17:27:04,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,312 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-15 17:27:04,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:04,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:27:04,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:04,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:27:04,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:27:04,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:04,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-15 17:27:04,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,339 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-15 17:27:04,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:04,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:27:04,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:04,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:27:04,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:27:04,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:04,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-15 17:27:04,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,405 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-15 17:27:04,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:04,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:04,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:04,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:04,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:04,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-15 17:27:04,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,442 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-15 17:27:04,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:04,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:04,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:04,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:04,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:04,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:04,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,471 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-15 17:27:04,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:04,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:04,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:04,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:04,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:04,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-15 17:27:04,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,524 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-15 17:27:04,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:04,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:27:04,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:04,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:27:04,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:27:04,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:04,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-15 17:27:04,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,555 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-15 17:27:04,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:04,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,563 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-12-15 17:27:04,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,571 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-15 17:27:04,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:04,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:04,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:04,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,607 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-15 17:27:04,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:04,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:04,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:04,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:04,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:27:04,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-15 17:27:04,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,633 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-15 17:27:04,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:27:04,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:27:04,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:27:04,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:27:04,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:27:04,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:27:04,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:27:04,671 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:27:04,685 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-15 17:27:04,685 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-12-15 17:27:04,686 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:27:04,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:27:04,687 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:27:04,689 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:27:04,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-15 17:27:04,719 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:27:04,720 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:27:04,720 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~j~0#1) = 2*ULTIMATE.start_entry_point_~j~0#1 + 1 Supporting invariants [] [2021-12-15 17:27:04,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-15 17:27:04,758 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-12-15 17:27:04,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:27:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:27:04,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:27:04,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:27:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:27:04,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-15 17:27:04,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 17:27:04,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:27:04,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:27:04,865 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-15 17:27:04,865 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:27:04,875 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 22 transitions. Complement of second has 4 states. [2021-12-15 17:27:04,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-15 17:27:04,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:27:04,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2021-12-15 17:27:04,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 15 letters. Loop has 2 letters. [2021-12-15 17:27:04,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:27:04,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 17 letters. Loop has 2 letters. [2021-12-15 17:27:04,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:27:04,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 15 letters. Loop has 4 letters. [2021-12-15 17:27:04,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:27:04,880 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2021-12-15 17:27:04,883 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:27:04,883 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-12-15 17:27:04,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-15 17:27:04,883 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-15 17:27:04,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-15 17:27:04,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:27:04,883 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:27:04,883 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:27:04,883 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:27:04,883 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-15 17:27:04,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-15 17:27:04,884 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:27:04,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-15 17:27:04,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.12 05:27:04 BoogieIcfgContainer [2021-12-15 17:27:04,892 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-15 17:27:04,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 17:27:04,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 17:27:04,892 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 17:27:04,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:26:59" (3/4) ... [2021-12-15 17:27:04,895 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 17:27:04,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 17:27:04,896 INFO L158 Benchmark]: Toolchain (without parser) took 6742.91ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 70.2MB in the beginning and 109.3MB in the end (delta: -39.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:27:04,896 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 107.0MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:27:04,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.57ms. Allocated memory is still 107.0MB. Free memory was 70.0MB in the beginning and 72.8MB in the end (delta: -2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 17:27:04,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.06ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 70.3MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 17:27:04,898 INFO L158 Benchmark]: Boogie Preprocessor took 35.90ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 69.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:27:04,899 INFO L158 Benchmark]: RCFGBuilder took 374.69ms. Allocated memory is still 107.0MB. Free memory was 68.9MB in the beginning and 57.7MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 17:27:04,900 INFO L158 Benchmark]: BuchiAutomizer took 5779.27ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 57.7MB in the beginning and 110.4MB in the end (delta: -52.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:27:04,900 INFO L158 Benchmark]: Witness Printer took 3.39ms. Allocated memory is still 144.7MB. Free memory was 110.4MB in the beginning and 109.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:27:04,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 107.0MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.57ms. Allocated memory is still 107.0MB. Free memory was 70.0MB in the beginning and 72.8MB in the end (delta: -2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.06ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 70.3MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.90ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 69.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 374.69ms. Allocated memory is still 107.0MB. Free memory was 68.9MB in the beginning and 57.7MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5779.27ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 57.7MB in the beginning and 110.4MB in the end (delta: -52.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.39ms. Allocated memory is still 144.7MB. Free memory was 110.4MB in the beginning and 109.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 19 and consists of 4 locations. One deterministic module has affine ranking function 2 * j + 1 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 5.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 167 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 89 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU2 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital239 mio100 ax112 hnf101 lsp82 ukn61 mio100 lsp51 div100 bol100 ite100 ukn100 eq188 hnf92 smp100 dnf104 smp95 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 5 VariablesLoop: 0 DisjunctsStem: 4 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-15 17:27:04,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE